devise - devise_for :users error in Rails 4 -
i have problem recent migration rails 3 app 4. have not seeing error on other applications upgraded.
when starting server error. realised error appears while devise_for :users route present on routes.rb.
any idea causing error , how fix it?
/users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:10:in `rescue in execute_if_updated': rails::application::routesreloader#execute_if_updated delegated updater.execute_if_updated, updater nil: #<rails::application::routesreloader:0x007fc453039b10 @paths=["/users/user/sites/mysite/config/routes.rb"], @route_sets=[#<actiondispatch::routing::routeset:0x007fc4531562a0>]> (runtimeerror) /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:6:in `execute_if_updated' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/application/finisher.rb:69:in `block in <module:finisher>' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:180:in `each' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component' /users/user/.rvm/rubies/ruby-2.0.0-p247/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing' /users/user/sites/mysite/config/environment.rb:8:in `<top (required)>' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require' /users/user/sites/mysite/config.ru:3:in `block in <main>' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize' /users/user/sites/mysite/config.ru:in `new' /users/user/sites/mysite/config.ru:in `<main>' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/server.rb:199:in `app' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/commands/server.rb:48:in `app' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/commands/server.rb:75:in `start' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/commands.rb:78:in `block in <top (required)>' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap' /users/user/.rvm/gems/ruby-2.0.0-p247@mysite/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>' script/rails:6:in `require' script/rails:6:in `<main>'
this issue problem: https://github.com/rails/rails/issues/10559
suggestions:
- remove attr_accessible in each of model
- add protected_attributes gem
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